fixed 5126: Persistent ID can't be configured for memcached
fix type hint.
added missing braces {} on foreach and if
phpdoc fixes
Updated Dutch translations
Remove unused local vars in Cache
As reported by phpstorm. This should fix them.
fixed permission change.
removed unused local variable
removed unused namespace
removed unused return value
Content-Transfer-Encoding value not case sensitive
Fixes #5011
change naming test case
change mode from "r" to "r+"
removed unused local variable
removed unused namespace
removed unused return value
Merge remote-tracking branch 'origin/ViewHelperCleanup' into ViewHelperCleanup
Fixes #5601
Merge pull request #5610